[supereal]

You need the adapter for the machine with the rotating strobe disc. The adapter is clamped by the arm of the machine, and the distributer is fastened to it with cams on the rim. The adapters are available. We bought ours from Bob Masters some years ago for about a hundred dollars. That analyzer machine is not designed to set and test the distributor. Our Sum machine has a vacuum line to adjust the snubber, and provides for testing the centrifugal advance.